#nervous system practice question

Peripheral Nervous System

Intercostal nerves arise from spinal segments:

T1–T12 (B) is the right choice. This sits at the heart of Peripheral Nervous System: the wording points straight to what is happening in the tissue or organ system. A useful study habit is to ask what the structure or process is for: T1–T12 is the option that correctly names the structure, process, or principle asked for in Peripheral Nervous System. That reasoning supports T1–T12. One solid sentence about why this works is enough for recall — you do not need a long essay for every MCQ. When you practise, cover the choices first, write T1–T12 from memory, then reveal the letter — that habit builds real recall for Peripheral Nervous System.

Ref: Animal physiology is Unit 7 of the CSIR NET Life Science Syllabus, covering core body systems. It accounts for roughly 10% of the total marks in Sections B and C.

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Peripheral Nervous System

Which cranial nerve is associated with hearing and equilibrium?

Correct option is B, Auditory (Vestibulocochlear). In Peripheral Nervous System, the accurate description is Auditory (Vestibulocochlear), and that is what you should commit to memory. Keep the definition tight and the role clear — Auditory (Vestibulocochlear) is the option that correctly names the structure, process, or principle asked for in Peripheral Nervous System. Then Auditory (Vestibulocochlear) is the answer you can defend. Check yourself by covering the options and writing the answer first, then matching the letter — that builds confidence. If the wording feels dense, translate it into everyday language first, then map that plain sentence back onto Auditory (Vestibulocochlear). Remember that physiology questions reward precise language: name the process, the location, and the outcome, then match that to the option text.

Ref: Animal physiology is Unit 7 of the CSIR NET Life Science Syllabus, covering core body systems. It accounts for roughly 10% of the total marks in Sections B and C.

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Peripheral Nervous System

Optic nerve transmits impulses from:

Pick C: Retina. Thinking about Peripheral Nervous System in a practical way — what the structure does, or what the process achieves — leads you here. Clinically and academically, the same logic shows up again and again: Retina is the option that correctly names the structure, process, or principle asked for in Peripheral Nervous System. Hence Retina is correct. Treat this as a building block for the rest of Peripheral Nervous System; neighbouring topics often reuse the same principle. Keep a one-line summary card for this idea and revisit it before the paper; short, repeated review beats long cramming sessions. If the wording feels dense, translate it into everyday language first, then map that plain sentence back onto Retina.

Ref: Animal physiology is Unit 7 of the CSIR NET Life Science Syllabus, covering core body systems. It accounts for roughly 10% of the total marks in Sections B and C.

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Peripheral Nervous System

Which cranial nerve is purely sensory for smell?

The correct answer is B: Olfactory. In Peripheral Nervous System, this idea is central because it matches how the body actually works in everyday teaching examples. Put simply, Olfactory is the option that correctly names the structure, process, or principle asked for in Peripheral Nervous System. That is why Olfactory is the option that holds up when you check it against basic physiology. When you revise, say the answer out loud with one short reason attached; that sticks better than rote lists. Remember that physiology questions reward precise language: name the process, the location, and the outcome, then match that to the option text.

Ref: Animal physiology is Unit 7 of the CSIR NET Life Science Syllabus, covering core body systems. It accounts for roughly 10% of the total marks in Sections B and C.

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Peripheral Nervous System

Which division of PNS carries voluntary motor responses?

Correct option is C, Somatic motor system. In Peripheral Nervous System, the accurate description is Somatic motor system, and that is what you should commit to memory. Keep the definition tight and the role clear — Somatic motor system is the option that correctly names the structure, process, or principle asked for in Peripheral Nervous System. Then Somatic motor system is the answer you can defend. Check yourself by covering the options and writing the answer first, then matching the letter — that builds confidence. If the wording feels dense, translate it into everyday language first, then map that plain sentence back onto Somatic motor system.

Ref: Animal physiology is Unit 7 of the CSIR NET Life Science Syllabus, covering core body systems. It accounts for roughly 10% of the total marks in Sections B and C.

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Peripheral Nervous System

Which reflex involves contraction of skeletal muscle?

Go with C — Somatic reflex. Within Peripheral Nervous System, that statement lines up with the standard definition and the usual exam wording you’ll see. In plain terms, Somatic reflex is the option that correctly names the structure, process, or principle asked for in Peripheral Nervous System. Holding that picture in mind makes Somatic reflex feel natural rather than something you only memorise. Link the term to a real body example (organ, tissue, or ion flow) so the idea stays concrete under exam pressure. A short mental diagram helps — start from stimulus or structure, follow the pathway, and stop at the functional result described by Somatic reflex.

Ref: Animal physiology is Unit 7 of the CSIR NET Life Science Syllabus, covering core body systems. It accounts for roughly 10% of the total marks in Sections B and C.

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Peripheral Nervous System

Ventral roots of spinal nerves contain axons of:

Pick C: Motor neurons. Thinking about Peripheral Nervous System in a practical way — what the structure does, or what the process achieves — leads you here. Clinically and academically, the same logic shows up again and again: Motor neurons is the option that correctly names the structure, process, or principle asked for in Peripheral Nervous System. Hence Motor neurons is correct. Treat this as a building block for the rest of Peripheral Nervous System; neighbouring topics often reuse the same principle. Keep a one-line summary card for this idea and revisit it before the paper; short, repeated review beats long cramming sessions.

Ref: Animal physiology is Unit 7 of the CSIR NET Life Science Syllabus, covering core body systems. It accounts for roughly 10% of the total marks in Sections B and C.

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Peripheral Nervous System

Dorsal roots of spinal nerves carry:

Correct option is B, Sensory impulses only. In Peripheral Nervous System, the accurate description is Sensory impulses only, and that is what you should commit to memory. Keep the definition tight and the role clear — Sensory impulses only is the option that correctly names the structure, process, or principle asked for in Peripheral Nervous System. Then Sensory impulses only is the answer you can defend. Check yourself by covering the options and writing the answer first, then matching the letter — that builds confidence. If the wording feels dense, translate it into everyday language first, then map that plain sentence back onto Sensory impulses only.

Ref: Animal physiology is Unit 7 of the CSIR NET Life Science Syllabus, covering core body systems. It accounts for roughly 10% of the total marks in Sections B and C.

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Structure and Function of Nervous System

Pyramidal neurons of cerebral cortex mainly function as:

Pick B: Output neurons. Thinking about Structure and Function of Nervous System in a practical way — what the structure does, or what the process achieves — leads you here. Clinically and academically, the same logic shows up again and again: the functional job described in the stem is exactly what Output neurons does in Structure and Function of Nervous System. Hence Output neurons is correct. Treat this as a building block for the rest of Structure and Function of Nervous System; neighbouring topics often reuse the same principle. Keep a one-line summary card for this idea and revisit it before the paper; short, repeated review beats long cramming sessions.

Ref: Animal physiology is Unit 7 of the CSIR NET Life Science Syllabus, covering core body systems. It accounts for roughly 10% of the total marks in Sections B and C.

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Structure and Function of Nervous System

Basal nuclei are mainly involved in:

Motor coordination and posture (B) is the right choice. This sits at the heart of Structure and Function of Nervous System: the wording points straight to what is happening in the tissue or organ system. A useful study habit is to ask what the structure or process is for: the functional job described in the stem is exactly what Motor coordination and posture does in Structure and Function of Nervous System. That reasoning supports Motor coordination and posture. One solid sentence about why this works is enough for recall — you do not need a long essay for every MCQ. When you practise, cover the choices first, write Motor coordination and posture from memory, then reveal the letter — that habit builds real recall for Structure and Function of Nervous System.

Ref: Animal physiology is Unit 7 of the CSIR NET Life Science Syllabus, covering core body systems. It accounts for roughly 10% of the total marks in Sections B and C.

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Neuron; Structure and Function

Myelination of multiple axons simultaneously in CNS is done by:

The correct answer is C: Oligodendrocytes. In Neuron; Structure and Function, this idea is central because it matches how the body actually works in everyday teaching examples. Put simply, Oligodendrocytes is the option that correctly names the structure, process, or principle asked for in Neuron; Structure and Function. That is why Oligodendrocytes is the option that holds up when you check it against basic physiology. When you revise, say the answer out loud with one short reason attached; that sticks better than rote lists. Remember that physiology questions reward precise language: name the process, the location, and the outcome, then match that to the option text.

Ref: Animal physiology is Unit 7 of the CSIR NET Life Science Syllabus, covering core body systems. It accounts for roughly 10% of the total marks in Sections B and C.

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Neuron; Structure and Function

Which interneurons transmit signals over long distances within the CNS?

Go with B — Relay interneurons. Within Neuron; Structure and Function, that statement lines up with the standard definition and the usual exam wording you’ll see. In plain terms, Relay interneurons is the option that correctly names the structure, process, or principle asked for in Neuron; Structure and Function. Holding that picture in mind makes Relay interneurons feel natural rather than something you only memorise. Link the term to a real body example (organ, tissue, or ion flow) so the idea stays concrete under exam pressure. A short mental diagram helps — start from stimulus or structure, follow the pathway, and stop at the functional result described by Relay interneurons.

Ref: Animal physiology is Unit 7 of the CSIR NET Life Science Syllabus, covering core body systems. It accounts for roughly 10% of the total marks in Sections B and C.

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